Analysis Fisherman Exchange Value (NTN) on Tanjung Batu Village Pulau Derawan Sub-District Berau Regency. jppa [Internet]. 2018 Jul. 1 [cited 2025 Oct. 26];5(2):59-65. Available from: https://jppa.fpik.unmul.ac.id/index.php/ojs/article/view/138